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*					IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.					*
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*									License Agreement													*
*                			For Vision Open Statistical Models											*
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* Copyright (C):	2006~2011 by JIA Pei, all rights reserved.											*
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*    				VOSM is free software under the terms of the GNU Lesser General Public License		*
*					(GNU LGPL) as published by the Free Software Foundation; either version 3.0 of the	*
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* 					Any publications based on this code must cite the following five papers, technic	*
*					reports and on-line materials.														*
*					1) P. JIA, 2D Statistical Models, Technical Report of Vision Open Working Group,	*
*					2st Edition, October 21, 2010. 														*
*					http://www.visionopen.com/members/jiapei/publications/pei_sm2dreport2010.pdf		*
* 					2) P. JIA. Audio-visual based HMI for an Intelligent Wheelchair. PhD thesis,		*
* 					University of Essex, February, 2011.												*
* 					http://www.visionopen.com/members/jiapei/publications/pei_phdthesis2010.pdf			*
*					3) T. Cootes and C. Taylor. Statistical models of appearance for computer vision.	*
*					Technical report, Imaging Science and Biomedical Engineering, University of 		*
*					Manchester, March 8, 2004.															*
*					http://www.isbe.man.ac.uk/~bim/Models/app_models.pdf								*
*					4) I. Matthews and S. Baker. Active appearance models revisited. International 		*
*					Journal of Computer Vision, 60(2):135–164, November 2004.							*
*					http://www.ri.cmu.edu/pub_files/pub4/matthews_iain_2004_2/matthews_iain_2004_2.pdf	*
*					5) M. B. Stegmann, Active Appearance Models: Theory, Extensions and Cases,			*
*					http://www2.imm.dtu.dk/~aam/main/, 2000												*
* 																										*
* Version:          0.3.2                                                     							*
* Author:           JIA Pei                                                 							*
* Contact:          jp4work@gmail.com                                       							*
* URL:              http://www.visionopen.com                               							*
* Create Date:      2010-11-04                                             								*
* Revise Date:      2010-08-04                                             								*
********************************************************************************************************/

#include <fstream>
#include <sstream>
#include <string>

#include <boost/filesystem.hpp>

#include "VO_AXM.h"


VO_AXM::VO_AXM(unsigned int method, unsigned int levels)
{
	this->init(method, levels);
}


void VO_AXM::init(unsigned int method, unsigned int levels)
{
	this->m_iMethod					=	method;
    this->m_iNbOfPyramidLevels 		= 	levels;
}


VO_AXM::~VO_AXM()
{
	
}


/**
 * @author     	JIA Pei
 * @version    	2010-02-13
 * @brief      	Save ASM to a specified folder
 * @param      	fd         	Input - the folder that ASM to be saved to
 * @return		void
*/
void VO_AXM::VO_Save ( const string& fd )
{
	switch(this->m_iMethod)
	{
		case AAM_BASIC:
		case AAM_DIRECT:
		case AAM_FAIA:
		case AAM_CMUICIA:
		case AAM_IAIA:
		VO_TextureModel::VO_Save(fd);
		break;
		case ASM_PROFILEND:
		case ASM_LTC:
		VO_ShapeModel::VO_Save(fd);
		break;
		case CLM:
		case AFM:
		break;
	}
	
    // create AXM subfolder for just AXM model data
    string fn = fd+"/AXM";
    if (!boost::filesystem::is_directory(fn) )
        boost::filesystem::create_directory( fn );

    ofstream fp;
    string tempfn;

    // AXM
    tempfn = fn + "/AXM" + ".txt";
    fp.open(tempfn.c_str (), ios::out);
    fp << "m_iNbOfPyramidLevels" << endl << this->m_iNbOfPyramidLevels << endl;
    fp.close();fp.clear();
}


/**
 * @author     	JIA Pei
 * @version    	2010-02-13
 * @brief      	Load all trained data
 * @param      	fd         	Input - the folder that ASM to be saved to
 * @return		void
*/
void VO_AXM::VO_Load ( const string& fd )
{
	switch(this->m_iMethod)
	{
		case AAM_BASIC:
		case AAM_DIRECT:
		case AAM_FAIA:
		case AAM_CMUICIA:
		case AAM_IAIA:
		VO_TextureModel::VO_Load(fd);
		break;
		case ASM_PROFILEND:
		case ASM_LTC:
		VO_ShapeModel::VO_Load(fd);
		break;
		case CLM:
		case AFM:
		break;
	}
	
	string fn = fd+"/AXM";
    if (!boost::filesystem::is_directory(fn) )
    {
        cout << "AXM subfolder is not existing. " << endl;
        exit(EXIT_FAILURE);
    }

    ifstream fp;
    string tempfn;
    string temp;

    // AXM
    tempfn = fn + "/AXM" + ".txt";
    fp.open(tempfn.c_str (), ios::in);
    fp >> temp >> this->m_iNbOfPyramidLevels;					// m_iNbOfPyramidLevels
    fp.close();fp.clear();
}


/**
 * @author     	JIA Pei
 * @version    	2010-02-13
 * @brief      	Load all trained data for fitting
 * @param      	fd         	Input - the folder that ASM to be saved to
 * @return		void
*/
void VO_AXM::VO_LoadParameters4Fitting ( const string& fd )
{
	switch(this->m_iMethod)
	{
		case AAM_BASIC:
		case AAM_DIRECT:
		case AAM_FAIA:
		case AAM_CMUICIA:
		case AAM_IAIA:
		VO_TextureModel::VO_LoadParameters4Fitting(fd);
		break;
		case ASM_PROFILEND:
		case ASM_LTC:
		VO_ShapeModel::VO_LoadParameters4Fitting(fd);
		break;
		case CLM:
		case AFM:
		break;
	}
	
	string fn = fd+"/AXM";
    if (!boost::filesystem::is_directory(fn) )
    {
        cout << "AXM subfolder is not existing. " << endl;
        exit(EXIT_FAILURE);
    }

    ifstream fp;
    string tempfn;
    string temp;

    // AXM
    tempfn = fn + "/AXM" + ".txt";
    fp.open(tempfn.c_str (), ios::in);
    fp >> temp >> this->m_iNbOfPyramidLevels;					// m_iNbOfPyramidLevels
    fp.close();fp.clear();
}

